Fire dampers are hearth-shielding products which are made use of in HVAC techniques. They're intended to prevent the hearth from spreading from the ducts. In a set temperature, the fireplace damper shuts and types a barrier that forestalls the fireplace from spreading throughout the ducts. Watch out for uneven heating https://keeganatjxm.blognody.com/40623364/little-known-facts-about-air-control-dampers-for-engine-sheds